Japanese begonia, as a common ornamental plant in our country, is loved by people for its unique flower shape and leaf color. In recent years, many flower friends have reflected that the leaves of Japanese begonia turn yellow and dry, which not only affects its ornamental value, but also brings difficulties to maintenance. This article will analyze the reasons for the yellowing and drying of the leaves of Japanese begonia and the prevention and control methods for you to keep your Japanese begonia healthy.
Reasons for the yellowing and drying of Japanese begonia leaves1. Improper water management
Japanese begonia prefers a humid environment, but excessively moist soil can cause root hypoxia, which in turn causes the leaves to turn yellow and dry. Excessive watering can also cause root rot, leading to yellowing of the leaves.
2. Insufficient light
Japanese begonia requires sufficient sunlight. If it is kept in a dark environment for a long time, it will cause the leaves to turn yellow.
3. Soil problems
Soil that is too compacted, poor or too acidic can lead to poor growth of Japanese begonia and yellowing and drying of the leaves.
4. Pest and disease
Pests and diseases are common causes of yellowing and drying of Japanese begonia leaves, such as red spider mites, scale insects, and leaf spot disease, root rot disease, etc.
5. Insufficient nutrients
Japanese begonia requires sufficient nutrients during growth. If the soil nutrients are insufficient, it will cause the leaves to turn yellow.
Prevention and control methods for yellowing and drying of Japanese begonia leaves1. Water management
Keep the soil moist but avoid excessive watering. You can use a drip irrigation system to ensure that the soil moisture is moderate.
2. Light management
Place Japanese begonia in a sunny area and avoid keeping it in a dark environment for a long time.
3. Soil improvement
Improve the soil, enhance soil aeration and water retention, and apply organic fertilizers such as chicken manure and cow dung to improve the soil structure.
4. Pest and disease control
Regularly inspect Japanese begonia and control pests and diseases in a timely manner. You can spray pesticides and fungicides, and pay attention to rotate medications to avoid resistance.
5. Nutrient supplementation
Apply fertilizers according to the soil nutrient status. During the period of vigorous growth, you can apply compound fertilizers with nitrogen, phosphorus, and potassium to promote plant growth.
There are many reasons for the yellowing and drying of Japanese begonia leaves. During maintenance, attention should be paid to water, light, soil, pests and diseases, and nutrients. Only scientific maintenance can make Japanese begonia grow strongly and show beautiful posture. It is hoped that this article can provide reference for flower friends and make your Japanese begonia healthier and more beautiful.